133978160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40847}}^1$

素因数の和:40901

約数の個数: 40

約数和(自身を含む): 319104576

約数和(自身を除く): 185126416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 40847, 81694, 163388, 204235, 326776, 408470, 653552, 816940, 1633880, 1674727, 3267760, 3349454, 6698908, 8373635, 13397816, 16747270, 26795632, 33494540, 66989080, 133978160]

約数ペア:

[(1, 133978160), (2, 66989080), (4, 33494540), (5, 26795632), (8, 16747270), (10, 13397816), (16, 8373635), (20, 6698908), (40, 3349454), (41, 3267760), (80, 1674727), (82, 1633880), (164, 816940), (205, 653552), (328, 408470), (410, 326776), (656, 204235), (820, 163388), (1640, 81694), (3280, 40847)]